[libvirt] [PATCH 0/2] rework virFileCreate into virFileOperation w/hook function

[Daniel Veillard]

On Thu, Feb 18, 2010 at 01:25:43PM -0500, Laine Stump wrote:
> 
> (This patchset requires that the virFork() patchset I send a couple
> hours ago be applied first, otherwise it will fail to apply).
> 
> virFileCreate just didn't have what it takes to get the job done. It
> turns out that there are other things that must be done to files as the
> qemu (or whatever) user, so this patchset adds a hook function that
> gets called during the child process. That solves a problem I found
> with creating raw storage volumes on root-squash NFS, and will also be
> used for an upcoming domain-save-on-root-squash-nfs patch.
> 
> I'm now beginning to think that virFileCreate/virFileOperation is just
> too narrow in scope, and it's getting too many options. Possibly it
> will be better to just make a simpler virCallasUID() function that
> gets a pointer to a function to execute in the child process as an
> argument and does nothing but fork/setuid/call the function. That
> function would then contain *all* of the file operations,
> including creating/opening/closing the file. But that's too large of a
> change to contemplate so soon before a release, and this functionality
> is necessary for two important bug fixes (mentioned above), so...

  Okay, I agree that the functions are getting a bit too complex and
some cleanup will be in order, but for the sake of the release I pushed
the 2 patches which looks good to me, with the expectation that we
can cleanup this next month,

  thanks !

Daniel

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